Temperature
Pleasant by day, brisk at night.
Warm days with cooler nights and plenty of sun.

Pleasant by day, brisk at night.
Several rainy days. About 7 wet days, the lowest monthly average.
Plenty of sun this month.
In August, afternoons feel about 72° and nights feel near 59°.
Partly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 76°F, easing to about 73°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 48 | 38 | 2.8 | 12 | 4.7 | 88 |
| Feb | 50 | 38 | 2.2 | 10 | 6.4 | 83 |
| Mar | 55 | 41 | 2.3 | 11 | 8.1 | 79 |
| Apr | 61 | 44 | 2.3 | 10 | 10.2 | 75 |
| May | 66 | 50 | 2.4 | 11 | 11.1 | 76 |
| Jun | 73 | 56 | 1.9 | 9 | 12.1 | 73 |
| Jul | 76 | 58 | 1.6 | 8 | 12.1 | 72 |
| Aug | 76 | 58 | 1.7 | 7 | 11.4 | 74 |
| Sep | 72 | 54 | 1.8 | 7 | 9.8 | 76 |
| Oct | 64 | 50 | 3.1 | 12 | 7.1 | 84 |
| Nov | 55 | 43 | 2.9 | 12 | 5.7 | 87 |
| Dec | 49 | 39 | 3.1 | 12 | 4.7 | 89 |
Similar climates
Want a side-by-side climate view? Compare Nantes with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology